The outbreak of avian flu, which began in turkeys in February 2022, has already led to the death of 150m birds, including 41m ...

Flu cases were “high” or “very high” in 45 states and jurisdictions for the week ended Feb. 1. See how Florida fared.

Within 24 to 48 hours of the first detection of the virus, state and federal animal health officials work with farms to cull ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated Friday by the CDC.

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.